redis-benchmark v6.2.4 WARNING:* additions breakes metrics conversion for redis-benchmark

Sample file that makes us not produce a correct json from it:
```
WARNING: -e option has been deprecated. We now immediately exit on error to avoid false results.
"test","rps","avg_latency_ms","min_latency_ms","p50_latency_ms","p95_latency_ms","p99_latency_ms","max_latency_ms"
"JSON.GET jsonsl-1 .","19920.32","0.183","0.104","0.183","0.239","0.287","0.351"
```